.main_leftNav {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    overflow: hidden;
    width: 200px;
    padding-top: 72px;
    .main_leftNav_logo {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 72px;
        overflow: hidden;
        padding: 20px 10px;
        background: rgb(74, 143, 199);
        img {
            width: 100%;
        }
    }
    .main_leftNav_menu {
        height: 100%;
        overflow-y: auto;
        &::-webkit-scrollbar {
            display: none;
        }
    }
}